Search Results - "Yeeles, Joseph T P"
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Reconstitution of translesion synthesis reveals a mechanism of eukaryotic DNA replication restart
Published in Nature structural & molecular biology (01-05-2020)“…Leading-strand template aberrations cause helicase–polymerase uncoupling and impede replication fork progression, but the details of how uncoupled forks are…”
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2
A conserved mechanism for regulating replisome disassembly in eukaryotes
Published in Nature (London) (23-12-2021)“…Replisome disassembly is the final step of eukaryotic DNA replication and is triggered by ubiquitylation of the CDC45–MCM–GINS (CMG) replicative helicase 1 – 3…”
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3
The Escherichia coli Replisome Is Inherently DNA Damage Tolerant
Published in Science (American Association for the Advancement of Science) (14-10-2011)“…The Escherichia coli DNA replication machinery must frequently overcome template lesions under normal growth conditions. Yet, the outcome of a collision…”
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Regulated eukaryotic DNA replication origin firing with purified proteins
Published in Nature (London) (26-03-2015)“…Eukaryotic cells initiate DNA replication from multiple origins, which must be tightly regulated to promote precise genome duplication in every cell cycle. To…”
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5
Protein–DNA complexes are the primary sources of replication fork pausing in Escherichia coli
Published in Proceedings of the National Academy of Sciences - PNAS (30-04-2013)“…Replication fork pausing drives genome instability, because any loss of paused replisome activity creates a requirement for reloading of the replication…”
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6
An Iron-Sulfur Cluster Is Essential for the Binding of Broken DNA by AddAB-type Helicase-Nucleases
Published in The Journal of biological chemistry (20-03-2009)“…The bacterial helicase-nuclease complex AddAB converts double-stranded DNA breaks into substrates for RecA-dependent recombinational repair. Here we show that…”
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The processing of double-stranded DNA breaks for recombinational repair by helicase–nuclease complexes
Published in DNA repair (02-03-2010)“…Double-stranded DNA breaks are prepared for recombinational repair by nucleolytic digestion to form single-stranded DNA overhangs that are substrates for…”
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How the Eukaryotic Replisome Achieves Rapid and Efficient DNA Replication
Published in Molecular cell (05-01-2017)“…The eukaryotic replisome is a molecular machine that coordinates the Cdc45-MCM-GINS (CMG) replicative DNA helicase with DNA polymerases α, δ, and ε and other…”
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Structural basis for processive daughter-strand synthesis and proofreading by the human leading-strand DNA polymerase Pol ε
Published in Nature structural & molecular biology (07-08-2024)“…During chromosome replication, the nascent leading strand is synthesized by DNA polymerase epsilon (Pol ε), which associates with the sliding clamp…”
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10
Mechanism of Bidirectional Leading-Strand Synthesis Establishment at Eukaryotic DNA Replication Origins
Published in Molecular cell (17-01-2019)“…DNA replication commences at eukaryotic replication origins following assembly and activation of bidirectional CMG helicases. Once activated, CMG unwinds the…”
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11
The AddAB helicase-nuclease catalyses rapid and processive DNA unwinding using a single Superfamily 1A motor domain
Published in Nucleic acids research (01-03-2011)“…The oligomeric state of Superfamily I DNA helicases is the subject of considerable and ongoing debate. While models based on crystal structures imply that a…”
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12
Cryo-EM Structure of the Fork Protection Complex Bound to CMG at a Replication Fork
Published in Molecular cell (04-06-2020)“…The eukaryotic replisome, organized around the Cdc45-MCM-GINS (CMG) helicase, orchestrates chromosome replication. Multiple factors associate directly with…”
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13
The Initial Response of a Eukaryotic Replisome to DNA Damage
Published in Molecular cell (21-06-2018)“…The replisome must overcome DNA damage to ensure complete chromosome replication. Here, we describe the earliest events in this process by reconstituting…”
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14
Fast and efficient DNA replication with purified human proteins
Published in Nature (London) (02-06-2022)“…Chromosome replication is performed by a complex and intricate ensemble of proteins termed the replisome, where the DNA polymerases Polδ and Polε, DNA…”
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15
Structure of a human replisome shows the organisation and interactions of a DNA replication machine
Published in The EMBO journal (01-12-2021)“…The human replisome is an elaborate arrangement of molecular machines responsible for accurate chromosome replication. At its heart is the CDC45‐MCM‐GINS (CMG)…”
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How Pol α-primase is targeted to replisomes to prime eukaryotic DNA replication
Published in Molecular cell (17-08-2023)“…During eukaryotic DNA replication, Pol α-primase generates primers at replication origins to start leading-strand synthesis and every few hundred nucleotides…”
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17
CST–polymerase α-primase solves a second telomere end-replication problem
Published in Nature (London) (21-03-2024)“…Telomerase adds G-rich telomeric repeats to the 3′ ends of telomeres 1 , counteracting telomere shortening caused by loss of telomeric 3′ overhangs during…”
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Mechanisms controlling replication fork stalling and collapse at topoisomerase 1 cleavage complexes
Published in Molecular cell (19-09-2024)“…Topoisomerase 1 cleavage complexes (Top1-ccs) comprise a DNA-protein crosslink and a single-stranded DNA break that can significantly impact the DNA…”
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An updated perspective on the polymerase division of labor during eukaryotic DNA replication
Published in Critical reviews in biochemistry and molecular biology (02-09-2020)“…In eukaryotes three DNA polymerases (Pols), α, δ, and ε, are tasked with bulk DNA synthesis of nascent strands during genome duplication. Most evidence…”
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20
Visualizing helicases unwinding DNA at the single molecule level
Published in Nucleic acids research (01-07-2010)“…DNA helicases are motor proteins that catalyze the unwinding of double-stranded DNA into single-stranded DNA using the free energy from ATP hydrolysis. Single…”
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